Trommel screen unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 16, 1980
Grant Date -
N/A
app pub date -
Feb 16, 1979
filing date -
Feb 16, 1979
priority date (Note) -
Expired
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
The trommel screen unit includes a screen panel of polyurethane having embedded therein a plurality of longitudinal and transverse fiberglass rods. Marginal portions of the polyurethane panel overlie and are bonded to a rectangular steel frame, the sides of the frame having longitudinally spaced notches which receive therein the end portions of the transverse rod.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- IRATHANE SYSTEMS INCORPORATED
International Classification(s)

- 1979 Application Filing Year
- B07B Class
- 78 Applications Filed
- 1 Patents Issued To-Date
- 1.29 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Burkes, Daniel O | Hibbing, MN | 5 | 62 |
# of filed Patents : 5 Total Citations : 62 | |||
Valeri, William J | Pengilly, MN | 2 | 42 |
# of filed Patents : 2 Total Citations : 42 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 38 Citation Count
- B07B Class
- 0 % this patent is cited more than
- 45 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Apr 27, 2015 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Mar 27, 2015 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Mar 27, 2015 |
Mar 27, 2015 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Nov 07, 2014 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Aug 24, 2010 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Dec 07, 2007 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VIA TECHNOLOGIES, INC.;REEL/FRAME:020243/0127 Owner name: TIAN HOLDINGS, LLC, DELAWARE Effective Date: Dec 07, 2007 free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VIA TECHNOLOGIES, INC.;REEL/FRAME:020243/0127 Owner name: TIAN HOLDINGS, LLC,DELAWARE Effective Date: Dec 07, 2007 |
Jul 30, 2007 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VIA OPTICAL SOLUTION, INC.;REEL/FRAME:020135/0405 Owner name: VIA TECHNOLOGIES, INC., TAIWAN Effective Date: Jul 30, 2007 |
Mar 27, 2007 | I | Issuance | |
Jan 27, 2005 | P | Published | |
Apr 07, 2004 | F | Filing | |
Mar 17, 2004 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HSIAO, YUAN-KUN;REEL/FRAME:014485/0391 Owner name: VIA OPTICAL SOLUTION, INC., TAIWAN Effective Date: Mar 17, 2004 |
Apr 10, 2003 | PD | Priority Date |

Matter Detail

Renewals Detail
